{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JCZ6H5UK3YCQO5UW6NYNZESF3C","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4aedc1d561e2af600869e370599cf4eb32d7c09bac532bc3bd16752bd5ff15f4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-09-09T07:15:46Z","title_canon_sha256":"f1b004b937fdc8de070970ceb47ce7735fd521c7f20b9c4895869577556cfb8e"},"schema_version":"1.0","source":{"id":"2209.04151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.04151","created_at":"2026-07-05T04:55:56Z"},{"alias_kind":"arxiv_version","alias_value":"2209.04151v1","created_at":"2026-07-05T04:55:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.04151","created_at":"2026-07-05T04:55:56Z"},{"alias_kind":"pith_short_12","alias_value":"JCZ6H5UK3YCQ","created_at":"2026-07-05T04:55:56Z"},{"alias_kind":"pith_short_16","alias_value":"JCZ6H5UK3YCQO5UW","created_at":"2026-07-05T04:55:56Z"},{"alias_kind":"pith_short_8","alias_value":"JCZ6H5UK","created_at":"2026-07-05T04:55:56Z"}],"graph_snapshots":[{"event_id":"sha256:de3ca0094671c5e78bf28091859c0a0579f1ffed66262c993db5025285d6287d","target":"graph","created_at":"2026-07-05T04:55:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2209.04151/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The X-IFU (X-ray Integral Field Unit) onboard the large ESA mission Athena (Advanced Telescope for High ENergy Astrophysics), planned to be launched in the mid 2030s, will be a cryogenic X-ray imaging spectrometer operating at 55 mK. It will provide unprecedented spatially resolved high-resolution spectroscopy (2.5 eV FWHM up to 7 keV) in the 0.2-12 keV energy range thanks to its array of TES (Transition Edge Sensors) microcalorimeters of more than 2k pixel. The detection chain of the instrument is developed by an international collaboration: the detector array by NASA/GSFC, the cold electroni","authors_text":"Carl D Reintsema (NIST), Christophe Daniel (CNES), Damien Pr\\^ele (APC), David Murat (IRAP), Edward V Denison (NIST), Florent Castellani (IRAP), Fran\\c{c}ois Pajot (IRAP), Gene C Hilton (NIST), Gilles Roudil (IRAP), GSFC), Herv\\'e Geoffray (CNES), James Chervenak (GSFC), Joel N Ullom (NIST), Joseph Adams (GSFC), Kazuhiro Sakai (GSFC), Laurent Ravera (IRAP), Leila R Vale (NIST), Malcolm Durkin (NIST), Michel Dupieux (IRAP), Nicholas Wakeham (GSFC), Philippe Peille (CNES), Robert W Stevens (NIST), Simon Bandler (GSFC), Sophie Beaumont (IRAP, W Bertrand Doriese (NIST), Yann Parot (IRAP)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-09-09T07:15:46Z","title":"A 50 mK test bench for demonstration of the readout chain of Athena/X-IFU"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.04151","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1ed472a590e235bb53fb427f105d75f3bd5a6d84d010eb2ddab26022243ec7c8","target":"record","created_at":"2026-07-05T04:55:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4aedc1d561e2af600869e370599cf4eb32d7c09bac532bc3bd16752bd5ff15f4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-09-09T07:15:46Z","title_canon_sha256":"f1b004b937fdc8de070970ceb47ce7735fd521c7f20b9c4895869577556cfb8e"},"schema_version":"1.0","source":{"id":"2209.04151","kind":"arxiv","version":1}},"canonical_sha256":"48b3e3f68ade05077696f370dc9245d8b7f6a8841a64ce0846140f285a602401","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48b3e3f68ade05077696f370dc9245d8b7f6a8841a64ce0846140f285a602401","first_computed_at":"2026-07-05T04:55:56.326872Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:55:56.326872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q3NmbWmUChFRCMfKHIhz0de22bFKfz8rhzYr8dR16XLD0gPBN5zu/AfAni84fWjWdo8zZ5HBBezRsx8F5xUVDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:55:56.327266Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.04151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ed472a590e235bb53fb427f105d75f3bd5a6d84d010eb2ddab26022243ec7c8","sha256:de3ca0094671c5e78bf28091859c0a0579f1ffed66262c993db5025285d6287d"],"state_sha256":"80ce626553630f2827a0c7f242771c9fc95ea1e3b2432963ec8a40a7040b16c4"}